Polygonal sealing lock spring assembling device for cylindrical roller bearing

Abstract

The utility model belongs to the technical field of bearing production and processing, and particularly relates to a polygonal sealing lock spring assembling device for a cylindrical roller bearing, which comprises an outer ring, the outer ring is integrally of a ring-shaped cylinder structure and is used as a carrier of the whole device, and an upper pressing die is arranged on the upper portion of the outer ring. A bearing outer ring and a bearing inner ring are arranged at the lower part of the outer ring; an outer die, an inner die and a spring assembly are arranged between the upper pressing die and the outer ring; the bearing inner ring is arranged in the bearing outer ring, and a polygonal lock spring, a sealing cover and a roller are further arranged between the inner ring and the outer ring. The utility model has the advantages of simple structure, low processing difficulty, low manufacturing cost and strong stability; through cooperative use of the upper pressing die, the outer ring, the outer die, the inner die, the spring assembly, the polygonal lock spring and the sealing cover, polygonal sealing lock spring assembly of the cylindrical roller bearing can be conveniently achieved, polygonal lock spring assembly of the cylindrical roller bearing can be effectively achieved, the finished product quality of the cylindrical roller bearing can be guaranteed, and use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing production and processing technical field, concretely relates to a polygonal sealing lock spring assembly device for cylindrical roller bearing. BACKGROUND

[0002] A crane, also known as a ship crane or a ship hoist, is usually arranged on the deck of a ship and is a device for loading and unloading goods on the ship. The crane can rotate 360 degrees and change amplitude within the length of the hoist arm, has the characteristics of strong hoisting capacity, simple operation, impact resistance, good braking performance, safety and reliability, etc. The cylindrical roller bearing NRV is used in the pulley block of the ship crane. The cylindrical roller bearing NRV with a full-steel sealing structure is successfully applied to the pulley block of the ship crane. However, the sealing method of this structure has the problems of difficult installation of the polygonal lock spring for fixed sealing and difficult guarantee of the installation quality. Therefore, a special polygonal sealing lock spring assembly device for cylindrical roller bearings is needed to meet the actual use requirements. SUMMARY

[0003] The utility model aims at overcoming the problem of difficult installation of the polygonal lock spring for fixed sealing of the existing cylindrical roller bearing and provides a polygonal sealing lock spring assembly device for cylindrical roller bearings.

[0004] The polygonal sealing lock spring assembly device for cylindrical roller bearings comprises an outer ring, the outer ring is a ring-shaped column body structure as a whole, serves as a carrier of the whole device, an upper pressing die is arranged on the upper part of the outer ring, and a bearing outer ring and a bearing inner ring are arranged on the lower part of the outer ring; an outer die, an inner die and a spring assembly are arranged between the upper pressing die and the outer ring; the bearing inner ring is arranged in the bearing outer ring, and a polygonal lock spring, a sealing cover and a roller are further arranged between the inner ring and the outer ring; a groove is arranged on the end face of the outer ring; the groove is matched with the end face and the outer diameter of the bearing outer ring; six installation plates A are equally arranged on the inner surface of the outer ring, and three installation plates B are further equally arranged on the upper end face of the inner surface; the upper pressing die is a cylinder as a whole, three limiting grooves A are equally arranged on the outer diameter circumferential direction of the upper pressing die, and a step is arranged on the lower part of the upper pressing die; the installation plates A and the installation plates B are matched and installed with the spring assembly.

[0005] The outer die is a conical ring as a whole, three installation plates C are equally arranged on the upper part of the outer die, the installation plates C are matched and installed with the spring assembly, six limiting grooves B are equally arranged on the outer diameter surface of the outer die, the limiting grooves B are connected with the inner die and the outer ring and limit the spring assembly, and the inner surface of the outer die is an angle fixed inclined surface and is matched with the inner die.

[0006] The inner mold is a conical ring body equally divided into six parts, and mounting plates D are arranged outside each conical ring body, the mounting plates D are connected with the outer ring through spring assemblies, and the outer surface of the inner mold is an angle-fixed slope surface matched with the slope surface of the outer mold.

[0007] The sealing cover is a whole ring body, mounting grooves are arranged on the outer diameter surface thereof and matched with the polygonal lock spring, and a step is arranged at the lower part and matched with the positioning step of the inner ring of the bearing to form a limit.

[0008] The spring assembly is a compression spring with mounting hooks arranged at both ends and having elasticity in the stretching and compression directions.

[0009] The polygonal lock spring is a whole polygonal C-shaped ring, the cross section of which is circular and has elasticity.

[0010] The outer diameter surface of the inner ring of the bearing is provided with two stop edges matched with the end surface of the roller to limit, and a positioning step is arranged at the upper part and matched with the step of the sealing cover to form a limit.

[0011] The inner surface of the outer ring of the bearing is provided with double stop edges matched with the end surface of the roller to limit, and a mounting groove is arranged on the upper part of the inner surface and matched with the mounting groove on the outer diameter surface of the sealing cover through the polygonal lock spring.

[0012] The top circumferential end surface of the upper pressing mold is further provided with uniformly distributed through holes.

[0013] Compared with the prior art, the device has the advantages of simple structure, low processing difficulty, low manufacturing cost and strong stability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a sectional view of the utility model;

[0016] Figure 3 It is Figure 2 It is an enlarged view of the middle A;

[0017] Figure 4 It is a structural schematic view of the outer ring in the utility model;

[0018] Figure 5 It is a structural schematic view of the upper pressing mold in the utility model;

[0019] Figure 6 It is the outer mold structure schematic view in the utility model;

[0020] Figure 7 It is the inner mold structure schematic view in the utility model;

[0021] Figure 8 It is the bearing outer ring structure schematic view in the utility model;

[0022] Figure 9 It is the bearing inner ring structure schematic view in the utility model.

[0023] In the drawing: 1, upper pressing die, 2, outer ring, 3, outer mold, 4, inner mold, 5, spring assembly, 6, polygonal lock spring, 7, sealing cover, 8, bearing inner ring, 9, roller, 10, bearing outer ring, 11, mounting plate A, 12, mounting plate B, 13, limit groove A, 14, mounting plate C, 15, limit groove B, 16, mounting plate D. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model are further described in detail in combination with the drawings.

[0025] As Figures 1-9 shown, a kind of polygonal sealing lock spring assembly for cylindrical roller bearing, including outer ring 2, the outer ring 2 is a ring-shaped cylinder structure as a whole, it is as the carrier of entire device, upper pressing die 1 is provided in the upper portion of outer ring 2, bearing outer ring 10 and bearing inner ring 8 are provided in the lower portion of outer ring 2;The upper pressing die 1 is provided with outer mold 3, inner mold 4 and spring assembly 5 between outer ring 2;The bearing inner ring 8 is arranged in bearing outer ring 10, and still be provided with polygonal lock spring 6, sealing cover 7 and roller 9 between inner and outer rings;Two retaining edges are provided at the outer diameter surface of bearing inner ring 8 with roller end face and limit position, and upper portion is equipped with positioning step and with sealing cover 7 step and each other cooperation forms limit;The inner surface middle portion of bearing outer ring 10 is provided with double retaining edges with roller 9 end face and limit position, and the inner surface upper portion is equipped with installation slot, and with the outer diameter surface installation slot of sealing cover 7 together through polygonal lock spring 6 and is connected with each other.

[0026] The outer ring 2 end face is provided with a groove; the groove cooperates with the bearing outer ring 10 end face and outer diameter; the outer ring 2 inner surface is provided with six equidistant mounting plates A11, and three equidistant mounting plates B12 are further provided on the upper end face of the inner surface; the upper die 1 is a cylinder as a whole, and three limiting grooves A13 are equidistantly provided on the outer diameter circumferential direction, and a step is provided on the lower part; the limiting grooves A13 limit the outer die 3 and the ring spring assembly 5; the mounting plates A11 and the mounting plates B12 are mounted in cooperation with the spring assembly 5; the outer ring 2 lower end face inner diameter cooperates with the inner die 4 for limiting, and is connected through six spring assemblies 5, so as to realize the radial direction contraction of the inner die 4.

[0027] The outer die 3 is a conical ring as a whole, and three equidistant mounting plates C14 are provided on the upper part, the mounting plates C14 are mounted in cooperation with the spring assembly 5, six equidistant limiting grooves B15 are provided on the outer diameter surface, the limiting grooves B15 are connected with the inner die 4 and the outer ring 2 and limit the spring assembly 5, and the inner surface of the outer die 3 is an angle fixed slope surface and cooperates with the inner die 4; at the same time, the outer die 3 cooperates with the inner die 4 through the slope surface, drives the inside to move in the radial direction through the downward movement of the outer die 4, realizes the contraction of the inner die 4, the outer diameter of the upper die 1 cooperates with the inner diameter of the upper end face of the outer ring 2, the lower end face cooperates with the end face of the sealing cover 7, the step surface cooperates with the upper end face of the outer die 3, and then an effective sealing structure is formed.

[0028] The inner die 4 is a conical ring body divided into six parts, and mounting plates D16 are provided on the outside of each conical ring body, the mounting plates D16 are connected in cooperation with the outer ring 2 through the spring assembly 5, and the outer surface of the inner die 4 is an angle fixed slope surface and cooperates with the slope surface of the outer die 3; the sealing cover 7 is a ring body as a whole, mounting grooves are provided on the outer diameter surface and cooperate with the polygonal lock spring 6, a step is provided on the lower part and cooperates with the positioning step of the bearing inner ring 8 to form a limit; the spring assembly 5 is a compression spring provided with mounting hooks at both ends and has elasticity in the stretching and compression directions; the polygonal lock spring 6 is a polygonal C-shaped ring as a whole, the cross section is circular, and has elasticity; the top circumferential end face of the upper die 1 is further provided with uniformly distributed through holes, the through holes are provided for reducing the self weight of the equipment and facilitating installation.

[0029] The utility model discloses a specific use, first, the full filling cooperation of roller 9 and bearing inner race 8 raceway, second, the assembly of roller 9 and bearing inner race 8 is as a whole from bearing outer race 10 end face and is loaded with bearing outer race 10 raceway cooperation, subsequently, the device is placed in bearing outer race 10 end face, makes outer ring 2 lower end surface recess and bearing outer race 10 end face and outer diameter cooperation form positioning, then, polygon lock spring 6 and seal cover 7 outer diameter surface installation groove are pre -cooperated, and as a whole are placed in the device inside, make polygon lock spring 6 and inner mould 4 inner diameter surface contact, then, upper pressure mould 1 is placed on the device upper portion, makes the outer diameter of upper pressure mould 1 and the inner diameter of the upper end surface of outer ring 2 cooperation, upper pressure mould 1 lower end surface and seal cover 7 end face cooperation, upper pressure mould 1 step surface and outer mould 3 upper end surface cooperation, immediately, the pressure of upper pressure mould 1 is added and makes outer mould 3 downward movement through step surface and outer mould 3 upper end surface contact, through the cooperation of the slope surface in outer mould 3 and the slope surface of inner mould 4, drives inner mould 4 and contracts in the radial direction in bearing outer race 10 end face plane, and inner mould 4 contraction makes that polygon lock spring 6 is pressed into seal cover 7 outer diameter surface installation groove under the force of elastic deformation, simultaneously, the lower end surface of upper pressure mould 1 and seal cover 7 end face contact, make seal cover 7 and the polygon lock spring 6 in installation groove downward movement, press the bearing outer race 10 installation groove position, finally, after being in place, polygon lock spring 6 loses the constraint of inner mould 4, restores the elastic shape and fills in the inside of bearing outer race 10 installation groove, realizes that seal cover 7 bearing outer race 10 is fixed through the clamping of polygon lock spring 6, and finally completes the assembly of polygon lock spring 6 and seal cover 7.

[0030] The above, only for the specific embodiment of the utility model of the preferred, but the protection scope of the utility model does not limit to this, any skilled in the art person in the utility model disclosed the technical range, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A polygonal sealing lock spring assembly for a cylindrical roller bearing comprising an outer ring (2), characterized in that: The outer ring (2) is a whole ring-shaped column structure, which is a carrier of the whole device. An upper pressing die (1) is arranged on the upper part of the outer ring (2), and a bearing outer ring (10) and a bearing inner ring (8) are arranged on the lower part of the outer ring (2). An outer die (3), an inner die (4) and a spring assembly (5) are arranged between the upper pressing die (1) and the outer ring (2). The bearing inner ring (8) is arranged in the bearing outer ring (10), and a polygonal lock spring (6), a sealing cover (7) and a roller (9) are further arranged between the inner ring and the outer ring. A groove is arranged on the end face of the outer ring (2), and the groove is matched with the end face and the outer diameter of the bearing outer ring (10). Six installation plates A (11) are arranged on the inner surface of the outer ring (2) in equal parts, and three installation plates B (12) are further arranged on the upper end face of the inner surface in equal parts. The upper pressing die (1) is a whole cylinder, three limiting grooves A (13) are arranged on the outer diameter of the upper pressing die (1) in equal parts in the circumferential direction, and a step is arranged on the lower part of the upper pressing die (1). The installation plates A (11) and the installation plates B (12) are installed in cooperation with the spring assembly (5).

2. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The outer die (3) is a whole conical ring, three installation plates C (14) are arranged on the upper part of the outer die (3) in equal parts, the installation plates C (14) are installed in cooperation with the spring assembly (5), six limiting grooves B (15) are arranged on the outer diameter surface of the outer die (3) in equal parts, the limiting grooves B (15) are connected with the inner die (4) and the outer ring (2) and limit the spring assembly (5), and the inner surface of the outer die (3) is an angle fixed inclined surface and cooperates with the inner die (4).

3. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The inner die (4) is a whole conical ring body divided into six parts, and an installation plate D (16) is arranged on the outer part of each conical ring body, the installation plate D (16) is connected with the outer ring (2) in cooperation through the spring assembly (5), and the outer surface of the inner die (4) is an angle fixed inclined surface and cooperates with the inclined surface of the outer die (3).

4. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The sealing cover (7) is a whole ring body, an installation groove is arranged on the outer diameter surface of the sealing cover (7) and cooperates with the polygonal lock spring (6), and a step is arranged on the lower part of the sealing cover (7) and cooperates with the positioning step of the bearing inner ring (8) to form limiting.

5. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The spring assembly (5) is a compression spring with installation hooks arranged on both ends and has elasticity in the stretching and compression directions.

6. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The polygonal lock spring (6) is a whole polygonal C-shaped ring, the cross section of the polygonal lock spring (6) is circular and has elasticity.

7. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The outer diameter surface of the bearing inner ring (8) is provided with two stop edges which cooperate with the end surface of the roller (9) to limit, and the upper part of the bearing inner ring (8) is provided with a positioning step which cooperates with the step of the sealing cover (7) to form limiting.

8. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The inner surface of the bearing outer ring (10) is provided with double stop edges which cooperate with the end surface of the roller (9) to limit, and the inner surface of the bearing outer ring (10) is provided with an installation groove on the upper part and cooperates with the installation groove on the outer diameter surface of the sealing cover (7) through the polygonal lock spring (6) to be connected.

9. A polygonal seal lock spring assembly for a cylindrical roller bearing according to claim 1, characterized in that: The upper pressing die (1) is further provided with through holes arranged uniformly on the circumferential end face of the top.

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